Ideally, to make lox (cured salmon), you need salmon belly, writes Cathy Barrow in "Bagels, Schmears, and a Nice Piece of Fish," "but I'll cure any part of the salmon I'm given. If it's a thinner tail ...

Place the croissants on a chopping board and use a bread knife to cut each one in half lengthways. Heat a heavy-based frying pan over a high heat. Place the croissants cut side down on the dry pan, ...